The DEMO version only includes 4 pages:
http://4hiddenspycameras.com
http://4hiddenspycameras.com/index_php/alarm-systems.html
http://4hiddenspycameras.com/index_php/alarm-systems/home-security-systems.html
http://4hiddenspycameras.com/index_php/alarm-systems/alarm-systems-promotions.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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